Stand pouch is a relatively novel form of packaging bag. Compared with the common packaging bag forms, the biggest advantage is portability, stand pouch can be conveniently placed in backpacks or even pockets, and the volume can be reduced as the content decreases, which is more convenient to carry. It has advantages in many aspects, such as upgrading product grades, strengthening shelf visual effects, portability, ease of use, preservation and sealability. The structure of stand pouch depends on the different products of the packaging bag. The oxygen barrier protective layer can be added as needed to reduce the oxygen transmission rate and extend the shelf life of the product.
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